Deep SSL/TLS Vulnerability Test
This report provides a deep analysis of the SSL/TLS configuration of www.chatpdf.com. It checks for protocol support, cipher strength, and known vulnerabilities.
Scan Results
Testing all IP addresses (port 443): 76.76.21.142 66.33.60.66 ----------------------------------------------------- Start 2026-01-04 11:53:23 -->> 76.76.21.142:443 (www.chatpdf.com) <<-- Further IP addresses: 66.33.60.66 rDNS (76.76.21.142): -- Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 200 OK HTTP clock skew +344946 sec from localtime HTTP Age (RFC 7234) 344946 Strict Transport Security 730 days=63072000 s, just this domain Public Key Pinning -- Server banner Vercel Application banner -- Cookie(s) 1 issued: NOT secure, NOT HttpOnly Security headers X-Frame-Options: DENY Content-Security-Policy: frame-ancestors 'self'; Access-Control-Allow-Origin: * Cache-Control: public, max-age=0, must-revalidate Reverse Proxy banner -- Testing vulnerabilities Secure Renegotiation (RFC 5746) supported (OK) Secure Client-Initiated Renegotiation not vulnerable (OK) CRIME, TLS (CVE-2012-4929) not vulnerable (OK) BREACH (CVE-2013-3587) potentially NOT ok, "br gzip" HTTP compression detected. - only supplied "/" tested Can be ignored for static pages or if no secrets in the page POODLE, SSL (CVE-2014-3566) not vulnerable (OK) TLS_FALLBACK_SCSV (RFC 7507) No fallback possible (OK), no protocol below TLS 1.2 offered SWEET32 (CVE-2016-2183, CVE-2016-6329) not vulnerable (OK) FREAK (CVE-2015-0204) not vulnerable (OK) DROWN (CVE-2016-0800, CVE-2016-0703) not vulnerable on this host and port (OK) make sure you don't use this certificate elsewhere with SSLv2 enabled services, see https://search.censys.io/search?resource=hosts&virtual_hosts=INCLUDE&q=392FB9065292AD194C4E172C6710B3CA6B6BEBD52A36272A261CC8BF07CFC627 LOGJAM (CVE-2015-4000), experimental not vulnerable (OK): no DH EXPORT ciphers, no common prime detected BEAST (CVE-2011-3389) not vulnerable (OK), no SSL3 or TLS1 LUCKY13 (CVE-2013-0169), experimental not vulnerable (OK) Winshock (CVE-2014-6321), experimental not vulnerable (OK) RC4 (CVE-2013-2566, CVE-2015-2808) no RC4 ciphers detected (OK) Done 2026-01-04 11:54:08 [ 54s] -->> 76.76.21.142:443 (www.chatpdf.com) <<-- ----------------------------------------------------- Start 2026-01-04 11:54:08 -->> 66.33.60.66:443 (www.chatpdf.com) <<-- Further IP addresses: 76.76.21.142 rDNS (66.33.60.66): -- Service detected: HTTP Testing for server implementation bugs No bugs found. Testing HTTP header response @ "/" HTTP Status Code 200 OK HTTP clock skew +345006 sec from localtime HTTP Age (RFC 7234) 345006 Strict Transport Security 730 days=63072000 s, just this domain Public Key Pinning -- Server banner Vercel Application banner -- Cookie(s) 1 issued: NOT secure, NOT HttpOnly Security headers X-Frame-Options: DENY Content-Security-Policy: frame-ancestors 'self'; Access-Control-Allow-Origin: * Cache-Control: public, max-age=0, must-revalidate Reverse Proxy banner -- Testing vulnerabilities Secure Renegotiation (RFC 5746) supported (OK) Secure Client-Initiated Renegotiation not vulnerable (OK) CRIME, TLS (CVE-2012-4929) not vulnerable (OK) BREACH (CVE-2013-3587) potentially NOT ok, "br gzip" HTTP compression detected. - only supplied "/" tested Can be ignored for static pages or if no secrets in the page POODLE, SSL (CVE-2014-3566) not vulnerable (OK) TLS_FALLBACK_SCSV (RFC 7507) No fallback possible (OK), no protocol below TLS 1.2 offered SWEET32 (CVE-2016-2183, CVE-2016-6329) not vulnerable (OK) FREAK (CVE-2015-0204) not vulnerable (OK) DROWN (CVE-2016-0800, CVE-2016-0703) not vulnerable on this host and port (OK) make sure you don't use this certificate elsewhere with SSLv2 enabled services, see https://search.censys.io/search?resource=hosts&virtual_hosts=INCLUDE&q=392FB9065292AD194C4E172C6710B3CA6B6BEBD52A36272A261CC8BF07CFC627 LOGJAM (CVE-2015-4000), experimental not vulnerable (OK): no DH EXPORT ciphers, no common prime detected BEAST (CVE-2011-3389) not vulnerable (OK), no SSL3 or TLS1 LUCKY13 (CVE-2013-0169), experimental not vulnerable (OK) Winshock (CVE-2014-6321), experimental not vulnerable (OK) RC4 (CVE-2013-2566, CVE-2015-2808) no RC4 ciphers detected (OK) Done 2026-01-04 11:55:10 [ 116s] -->> 66.33.60.66:443 (www.chatpdf.com) <<-- ----------------------------------------------------- Done testing now all IP addresses (on port 443): 76.76.21.142 66.33.60.66
About this Scan
This scan uses testssl.sh to check for:
- Protocols: SSLv2, SSLv3, TLS 1.0, TLS 1.1, TLS 1.2, TLS 1.3
- Vulnerabilities: Heartbleed, POODLE, FREAK, Logjam, DROWN, etc.
- Cipher Suites: Weak ciphers, perfect forward secrecy (PFS) support.